Also known as Agathaumas type
Where: Sweetwater County, Wyoming (41.6° N, 108.7° W: paleocoordinates 48.9° N, 84.6° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Lance Formation (Montana Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• "just above a thinner or lower stratum of the Bitter Creek series of coals and overlain by two other coal seams"
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; lithified, tabular, gray, argillaceous sandstone and coal
Size class: macrofossils
Collected by F. B. Meek & H. M. Bannister, E. D. Cope in 1872; reposited in the AMNH
Collection methods: quarrying, surface (in situ), mechanical,
• some plants found in same bed, as well as above, but not described
Primary reference: E. D. Cope. 1872. On the existence of Dinosauria in the transition beds of Wyoming. Proceedings of the American Philosophical Society (separate) 1-2 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 46117: authorized by Matthew Carrano, entered by Matthew Carrano on 03.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Reptilia | |
Agathaumas sylvestris n. gen. n. sp.
| |
Bivalvia | |
Ostreidae indet. Rafinesque 1815 oyster | |
Angiospermae | |
|